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Korg Volca NuBass Desktop Analog Synthesizer

Make your bass lines count with the Korg Volca NuBass analog synth. Its NuTube-based oscillator creates lively, harmonic-rich tones that cut like a laser. Rate and review this product
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Korg Volca NuBass Desktop Analog Synth

The Korg Volca NuBass is a powerful bass synth with a sound source based around a vacuum tube oscillator -- an acid bass machine with the pinnacle of modulation and distortion.

Even today, when digital technology allows electronic musical instruments to simulate any sound imaginable, people seek the warm harmonics and distortion produced by analog vacuum tubes. This distinctive sound has a quality beyond words that sets it apart, and cannot be captured by a response curve; it's the unmistakable sound of tubes.

Hear the Volca NuBass in zZounds' exclusive demo video:


The Volca NuBass is the first analog synth to be equipped with a Nutube vacuum tube in its oscillator. The vacuum tube plus analog synthesis means that the sound is warm, thick, and rich. The familiar transistor ladder filter gives it the character of a classic bass machine, along with overdrive, and huge-sounding distortion.

A vacuum tube oscillator circuit with groundbreaking Nutube technology

The Nutube contains two independent triodes; one is used in the oscillator to generate a sawtooth wave or square wave. The other triode is used in the drive circuit of the sub oscillator, adding depth and warmth one octave below the oscillator. This oscillator and sub oscillator provide a circuit structure that brings out the harmonic character that only a real vacuum tube could provide.

A transistor ladder low-pass filter that produces a distinctive sound

The low-pass filter defines the sound of this bass machine; it uses a transistor ladder design found on classic analog bass synths. This filter is uniquely dynamic in the way it affects a sound more than just ranging from bright-to-dark. Its wide range of timbral possibilities makes it ideal for a broad variety of dance music; you can use it to create the distinctive modulation that can be heard in acid house, or increase the resonance to bring out a sharp character that's appropriate for techno.

Analog driver circuit

Volca NuBass is equipped with overdrive that uses an analog circuit reminiscent of a classic stompbox. Turning the knob toward the right compresses the volume while causing mild distortion, adding thickness to your bass sounds. The tone knob also lets you adjust the crispness of the high-frequency range.

A 16-step sequencer that lets you automate parameters

The Volca NuBass is equipped with a full-fledged 16-step sequencer with a variety of functionality; by using it in conjunction with a rhythm machine, you can construct rhythm tracks or loop music.

You can use the 16 buttons for step input just like the rest of the volca series, or play the buttons as a keyboard for realtime recording. The chain function lets you play back multiple sequence patterns in succession, allowing you to loop up to 16 sequences.

The motion sequence function can record knob movements, applying parameter changes over time to the sound. This can be used when creating loops, or for live performances that are dynamic and original. Up to 16 sequence patterns together with motion sequences can be saved in internal memory.

There's also an active step function that lets you skip steps that you specify during playback; sequence patterns become more dynamic and exciting when they can be edited in real time during performances.

Three functions to create grooves on Volca NuBass

The sequencer of the Volca NuBass provides three functions that add the slap and slide performance techniques that are distinctive of acid bass: these transpose, accent, and slide functions are accessible and controllable through the step sequencer.

Transpose is a function that plays a note one or two octaves higher; it adds movement to the bass line while staying within the original scale. Accent emphasizes a note, creating dynamics that make the rhythm expressive. And the slide function that's indispensable to acid sound creates a smooth transition to the next note. Use these functions to add a sense of groove, and Volca NuBass will come alive in your performances and compositions.

Randomize settings can be applied to each of these three functions. In addition to generating unpredictable patterns, you can update the randomize settings to keep varying the patterns, bringing out more unexpected and exciting ideas from the sequencer.

Connections to sync with KORG groove machines and other gear

Using Volca NuBass' sync in and out, you can connect it to another volca series unit or to equipment such as an electribe, any Korg "logue" synth, or the SQ-1, and enjoy synchronized playback with the sequencer. There's also a standard MIDI IN connector, so you can use the volca drum as a sound module for your DAW.

Enjoy anywhere

Compact, size, battery operation, and built-in speaker mean that you can take this unit anywhere and enjoy playing on the go.

Free bundle of music software

The Volca NuBass comes with a diverse variety of music software from Izotope including "Ozone Elements" which lets you not only create songs but also master them using AI, "Skoove" which will help you improve your keyboard playing skills, "Reason Lite" DAW software, as well as software synths from KORG and other brands.

In other words, the moment you get your hands on this synthesizer you'll have a variety of tools to help you take your music to the next level.

Apps for iPad/iPhone

KORG Gadget Le (music production studio DAW app)
KORG Module Le (piano/keyboard sound module app)

Software for Mac/Windows:

- KORG Collection - M1 Le(synthesizer sound module)
- UVI Digital Synsations (synthesizer sound module)
- AAS Ultra Analog Session (synthesizer sound module)
- AAS Strum Session (acoustic guitar sound module)
- AAS Lounge Lizard Session (electric piano sound module)
- Propellerhead Reason Lite (DAW music production software)
- Skoove free 3 month trial of Skoove Premium (online piano lesson)
- KORG Gadget Le for Mac (DAW music production software)
- iZOTOPE Ozone Elements (Audio Mastering Plug-in Software)

zZounds is an authorized dealer of Korg products.
Weight, Dimensions, and Manufacturer Part Numbers
Shipping Weight: 0.82 lbs
Shipping Dimensions: 8 x 5 x 2 in
Manufacturer Part Number (MPN): VOLCANUBASS
If you have additional warranty questions, please contact the manufacturer at 631-390-6800
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